CaratHunter
Plans
Heart|Natural|IGI

1.20ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 743513531

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743513531

Diamond specifications and retailer prices

From €1,612 EUR
$1,808 USD
As of November 1, 2026
Save €2,743 EUR (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,354 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 743513531. Listed at 14 retailers as of October 30, 2026, with prices from €1,612 to €4,354, a €2,743 spread on the same certified stone. NZ Jewellers lists it at €4,354. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle37.4°
OriginNatural
Grading LabIGI
CertificateIGI 743513531
Dimensions6.81 × 7.47 × 4.11 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
6.81 mm7.47 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743513531
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 37.4°Culet: NoneDepth 55.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,354 EUR|Low: €1,612 EUR|High: €4,354 EUR|Avg: €2,174 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 4€1,612 EUR
Retailer 5€1,648 EUR
Retailer 2€1,741 EUR
Retailer 6€1,772 EUR
Retailer 11€1,785 EUR
Retailer 13€1,785 EUR
Retailer 3€1,819 EUR
Retailer 12€1,868 EUR
Retailer 8€1,992 EUR
Retailer 14€2,060 EUR
Retailer 10€2,194 EUR
Retailer 7€2,438 EUR
Retailer 9€3,127 EUR
NZ Jewellers€4,354 EUR

31 data points across 14 retailers

14 retailers€1,612 EUR to €4,354 EUR

A
Cheapest Retailer
-
€1,612 EUR
$1,808 USD
B+
Retailer 2
-
€1,648 EUR
$1,848 USD
View
Final sale: no returns
A
Retailer 3
-
€1,741 EUR
£1,538 GBP
View
A
Retailer 4
-
€1,772 EUR
$1,988 USD
View
B+
Retailer 5
-
€1,785 EUR
$2,002 USD
View
B+
Retailer 6
-
€1,785 EUR
$2,002 USD
View
B+
Retailer 7
-
€1,819 EUR
$2,040 USD
View
B+
Retailer 8
-
€1,868 EUR
$2,095 USD
View
B+
Retailer 9
-
€1,992 EUR
£1,759 GBP
View
B+
Retailer 10
-
€2,060 EUR
$2,310 USD
View
B+
Retailer 11
-
€2,194 EUR
ZAR 39,758 ZAR
View
B
Retailer 12
-
€2,438 EUR
View
B
Retailer 13
-
€3,127 EUR
£2,762 GBP
View
Most Expensive
C
NZ Jewellers
045ecf2b-a6fe-4461-baf6-c2eeecaa63b2 · Oct 30
€4,354 EUR
$4,884 USD
View
13 more retailers have this diamond
Prices start from €1,612 EURSave up to €2,743 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.20ct Heart
€1,612 EUR